Forza 40-80 Replacement Filter Inserts With Activated Carbon collars A bottom cardboard insert is

A bottom cardboard insert is meant to withstand 30 Lbs of weigh

Provides hours of chewing pleasure for your furry companion

CALCIUM CARBONATE

This Outer shell is Double-Waterproofed

Easy attachment using the included Velcro fastener

Forza 40-80 Replacement Filter Inserts With Activated Carbon collars A bottom cardboard insert isFORZA 40 80 Replacement Filter Inserts with Activated Carbon The FORZA 40 80 replacement cartridge insert is made of strong poly fiber and collects organic debris for easy removal. Filled with AquaTops Premium Activated Carbon, these replacement pads are extremely easy to install and help keep aquarium water crystal clear and free from odor.